2021-01-18 GC - Item 3 - Attachment 3 - Cost Benefit Analysis for Coastal Erosion Options

Options 5 and 6 are the most economically viable for Teewah, however an investigation into the local
value of public open space should be undertaken to ensure that the benefits of creating new public
open spaces has not been overestimated.

Table E1       Summary results – Net Present Value (NPV), discount rate of 2.3%, costs and
               benefits assessed for period 2020-2100

                    Options
 Location           Option 2            Option 3       Option 4   Option 5   Option 6   Option 7
 Eastern            $63m                $239m          -$2773m    -$222m     -$70m      $73m
 Beaches
 NPV
 Teewah             $0.3m               -$17m          -$67m      $16m       $9m        n/a
 NPV




AITHER | Final Report                                                                                  4
Noosa Shire Council – Coastal Hazard Adaptation Plan